JP3021581U - Pushbutton switch device for vending machines - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] A push button switch device for a vending machine, which has a simple structure and can be firmly and airtightly attached to the front panel, and can be easily attached to the front panel. I will provide a. SOLUTION: A mounting leg portion 6 is provided on a mounting surface 4e side of an operation panel 4, and a push button 3 and a circuit board 1 are provided on the operation panel 4.
2, the cover body 10 and the inner lid 7 are assembled to form a single switch, and the operation panel 4 is used as the front panel 1 of the vending machine.
Directly adhere to. As a result, the entire push button switch device can be firmly and airtightly mounted, the structure for connecting the inner lid 7 to the operation panel 4 can be simplified, and the assembly unit can be easily handled.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 The present invention relates to a push button switch device for a vending machine.

[0002]

[Prior art]

 The push button switch device of the vending machine is the one disclosed in Japanese Utility Model Publication 7-18112 or Japanese Utility Model Publication No. 64-23826 in order to prevent the push button switch from largely protruding from the front panel of the vending machine. is there. The push button switches of these vending machines have a switch mounting plate with switch parts and circuit board mounted on the outside of the front panel of the vending machine, regardless of the presence or absence of a recess formed in the switch mounting part of the front panel. It is fixed. Then, an outer cover and a frame body for holding the push button so that the push button can be retracted are fixed to the switch mounting plate. The sticking of these two is bonded in an airtight state to prevent rainwater and dust from entering the switch. In addition, the outer cover and frame have a complicated joint structure so that they do not fall off, and they are firmly joined with an adhesive.

Further, as another method for preventing the push button switch from protruding significantly from the front panel of the vending machine, a cutout hole for mounting the push button switch is provided on the front panel, and the push button switch is operated from the back side of the front panel. The parts which are inserted into the cutout holes are disclosed in Japanese Utility Model Publication No. 61-168473 and Japanese Utility Model Publication No. 61-168474. These push button switch devices have a structure in which switch components are assembled to the operation panel. A push button, a sales display board, a cover body, a light control body, a circuit board, etc. are installed in the recess on the back side of the operation panel and fixed to the mounting plate via the support frame, and the mounting plate is screwed to the back surface of the operation panel. are doing. The operation panel was installed on the vending machine by inserting the front panel from the inside of the door, which is the front panel of the vending machine, into the mounting cutout hole on the door, and installing it on the side of the front panel. It is designed to be fixed by applying the step to the back side of the front panel.

[0004]

[Problems to be solved by the device]

 However, in the push button switch device of the vending machine disclosed in Japanese Utility Model Publication No. 7-18112 and Japanese Utility Model Publication No. 64-23826, the outer cover and the frame are firmly and airtightly attached to the mounting plate. Since it has to be mounted in such a manner that a large number of coupling holes and protrusions must be provided and that they must be joined with an adhesive, the joining structure becomes complicated, or the joining work is troublesome.

Further, in the push button switch device of the vending machine disclosed in Japanese Utility Model Publication No. 61-168473 and Japanese Utility Model Publication No. 61-168474, a large cutout hole is provided in the switch mounting portion of the front panel. In addition to the fact that the operating panel must be installed, the strength of the operation panel is reduced, and rainwater and dust easily enter the inside of the vending machine through the gap, which necessitates a waterproof and dustproof structure. Further, since the mounting plate cannot be omitted, there is a disadvantage that the number of parts such as the support frame and the mounting plate is large.

The present invention improves the disadvantages of the above-mentioned conventional techniques, and further makes it possible to more reliably exhibit the problems that these conventional techniques are trying to solve and the basic functions required for this type of switch device. The purpose is to improve the switch device.

[0007]

[Means for Solving the Problems]

 According to the present invention, the operation panel assembled with the push button has a special shape, and the mounting leg provided on the operation panel is inserted into the mounting hole provided on the switch mounting portion on the front panel of the vending machine to operate the operation panel. Press the mounting surface of the panel against the outer surface of the switch mounting portion of the front panel, and engage the mounting screw from the inside of the front panel to the mounting leg of the operation panel to move the mounting surface of the operation panel to the front of the vending machine. It is pressed and fixed to the outside of the panel.

With the above structure, the operation leg located on the outermost side of the switch component is provided with the mounting leg portion, and the operation panel can be firmly fixed to the front panel. Since the inner lid is engaged with the operation panel, it is easy to handle the switch itself when it is installed in the vending machine. By simply firmly fixing the operation panel, the connection with the inner lid can be simplified and the assembly and disassembly are easy.

Since the mounting hole provided in the switch mounting portion of the front panel is a small hole through which the mounting leg portion is inserted, it is easy to measure waterproof and dustproof inside the automatic machine. Also, since the structure is such that the electrical connection part and the mounting part are separated, there is no restriction between them. Both water and other substances that have entered the switch are discharged to the outside through a water drain hole provided on the joint surface between the operation panel and the inner lid.

[0010]

[Embodiment of device]

 Hereinafter, embodiments of the present invention will be described with reference to the drawings. In FIG. 1, reference numeral 1 is a front panel of the vending machine, and 2 is a sample support frame for supporting a product sample (not shown) of the vending machine. An operation panel 4 having a plurality of push buttons 3 assembled on the left and right is attached to an outer surface 1a of the front panel 1.

As shown in FIGS. 1 to 3, the operation panel 4 has a mounting surface 4e having a flat peripheral edge and a substantially arcuate outer surface, and has a plurality of substantially U-shaped cross-sections which are open to the mounting surface side. Is provided with a concave portion 4a. Further, it has a push button hole 5 penetrating from the recess 4a to the outer side surface. Further, on the mounting surface side of the operation panel 4, a plurality of projecting mounting leg portions 6 for attaching the operation panel 4 to the front panel 1 are provided in a protruding manner. An engagement groove 4c that engages with the peripheral edge portion 7a of the inner lid 7 is formed on the mounting surface side of the operation panel 4.

A push button 3 made of a translucent material is fitted into the push button hole 5 of the operation panel 4 from the side of the recess 4 a. The push button 3 has a flange-shaped peripheral portion, and the flange portion 3 a is in contact with the rear surface 4 b of the peripheral wall portion of the push button hole 5 in the operation panel 4. Further, a recess 3b is formed inside the push button 3, and the display plate 9, the cover body 10 and the cover retainer 11 are fitted and locked in the recess 3b.

The display plate 9 is made of a light-transmissive material, and indicates whether the product can be sold or sold, and is interposed between the push button 3 and the cover body 10. . The cover body 10 is made of a material having waterproofness, elasticity, and translucency. The cover body 10 is formed in a substantially dish shape, and a peripheral edge portion 10 a thereof is engaged with an annular protruding portion 7 b provided on the inner lid 7. ing. Then, the peripheral portion 10a is pinched by the operation panel 4 and the inner lid 7, thereby covering the circuit board 12 arranged inside the annular protruding portion 7b of the inner lid 7 and airtightness as a switch portion. And it is waterproof. Further, the cover body 10 gives a restoring force to the push of the push button 3 due to its elasticity.

It should be noted that the cover body 10 may be provided individually for each of the concave portions 4a of the operation panel 4, or as shown in FIGS. 4 and 5 (a) and (b), it is connected to one piece. Anything is fine. In FIGS. 4 and 5 (a) and 5 (b), the inner lid 7 is not in contact with the front panel 1 of the vending machine, and the recess 4a of the operation panel 4 is provided below the push button 3. A water drain hole 3c is formed between the cover body 10 and the outside to drain water that has entered.

The circuit board 12 is provided with light-emitting diodes 13 for display and sold-out display that are available for sale for each push button 3. A hole 11a is formed in the cover holder 11 at a position facing the light emitting diode 13 so that the cover can be sold or sold out separately. Further, a portion of the cover body 10 facing the contact electrode 14 is bulged to the vicinity of the contact electrode 14, and a contact 10c for conduction is provided at the tip of the bulged portion 10b, and when the push button 3 is pressed. In addition, the conducting contact 10c comes into contact with the contact electrode 14 to bring them into conduction and start the selling operation. Reference numeral 11b is a light-shielding ridge that prevents the light from the light-emitting diode 13 from leaking through the hole 11a in the adjacent portion of the cover holder 11.

In this push button switch device, a push button 3 which is a switch component, a display plate 9, a cover body 10, a cover retainer 11 and a circuit board 12 are incorporated between the inner lid 7 and the operation panel 4, and Since 7 is engaged and fixed to the operation panel 4, it is structured so as to be easy to handle as an assembly unit of a switch as in the conventional product. Therefore, it is convenient and easy to handle even if the assembly of the switch and the assembly of the vending machine are separated from each other in terms of location and time. Further, even if the peripheral edge portion 7a of the inner lid 7 that engages with the engaging groove 4c of the operation panel 4 tightens the attachment screw 18 to the attachment leg portion 6 of the operation panel 4 too strongly, the operation panel The peripheral edge of 4 is locked so that it does not expand. The mounting leg 6 projecting rearward from the operation panel 4 extends through the through hole 7c of the inner lid 7 to the rear side, and the back surface of the inner lid 7 corresponds to each circuit board 12. The connector 15 is projected. The connector 15 can be changed to a wire cord.

The front panel 1 of the vending machine to which the push button switch is attached may be flat. It is not necessary to form a recess in the switch mounting part or to provide a large cutout hole for inserting the operation panel. The switch mounting portion of the front panel 1 of the vending machine is simply provided with a small-diameter mounting hole 1c through which the mounting leg portion 6 of the operation panel 4 is inserted and a hole 1d through which the connector 15 is inserted. The sample support frame 2 is also formed with a mounting insertion hole 2a and a connector insertion hole 2b.

Further, when the mounting portion O-ring 16 is provided on the front panel 1 side of the through hole 7c in the inner lid 7, and if rainwater or the like enters between the front panel 1 and the inner lid 7 by any chance. However, this rainwater or the like enters the switch side through the gap between the through hole 7c of the inner lid 7 and the mounting leg portion 6 of the operation panel 4, or enters the inside of the vending machine from the mounting insertion hole 1c of the front panel 1. Intrusion is prevented. Moreover, by fitting the mounting portion O-ring 16 to the mounting leg portion 6 with the inner lid 7 assembled to the operation panel 4, the operation panel 4 and the inner lid 7 can be connected to each other even if other engaging means are omitted. Since it is connected, it is easy to handle as an assembly unit for pushbutton switches.

Further, the connector portion O-ring 17 is also arranged around the connector 15 in the inner lid 7 so that even if rainwater or the like enters between the front panel 1 and the inner lid 7, this connector O-ring 17 can be used. Rainwater and the like are prevented from entering the connector 14 side and entering the inside of the vending machine from the connector insertion hole 1d of the front panel 1.

Then, the operation panel 4 is fixed to the front panel 1 of the vending machine by being screwed into the attachment leg portion 6 of the operation panel 4 from the inside of the front panel 1 using the attachment screw 18. In addition, 19 is a washer.

In place of this mounting method, the mounting leg 6 provided on the operation panel 1 is slightly extended to form a screw on the outer periphery of the mounting leg 6 and the nut is tightened to automatically move the operation panel 4. You may make it attach to the front panel 1 of a vending machine.

With the above configuration, the push button 3, which is a switch component, the display plate 9, the cover body 10, the cover retainer 11 and the circuit board 12 are incorporated between the inner lid 7 and the operation panel 4, and the inner lid 7 is attached to the operation panel. The pushbutton switch can be formed as an assembly unit by locking it to the 4th unit, and the entire pushbutton switch device can be made strong and airtight by a simple work to attach this assembly unit to the outer surface of the front panel of the vending machine. It can be attached to the front panel 1 in the state, that is, in the state where the waterproof property is secured. Moreover, since the inner lid 7 and the switch part are held between the operation panel 4 and the front panel 1, the inner lid 7 is connected to the operation panel 4 by any conventional configuration. Can be simplified.

Further, the means for engaging the inner lid 7 with the operation panel 4 is not limited to the above-mentioned configuration, but as shown in FIGS. 6 and 7, the operation panel 4 and the inner lid 7 are provided with step portions 4d, 7d or 4f, 7f, or the operation panel 4 and the inner lid 7 as shown in FIG. can get. Further, as shown in FIG. 9, a fold portion 7e that covers the peripheral portion of the operation panel 4 may be formed on the peripheral portion of the inner lid 7.

In the above embodiment, the case where the mounting portion O-ring 16 is arranged around the mounting leg portion 6 of the inner lid 7 has been described, but the mounting portion O-ring 16 may be omitted. When only the peripheral edge of the inner lid 7 is weakly connected to the operation panel 4, as shown in FIG. 10, a step 6a is formed on the mounting leg 6 and the through hole 7c goes over the step 6a. Even with such a simple connecting structure, the inner lid 7 can be securely fixed to the operation panel 4 and can be formed as an assembly unit of the switch alone.

[0025]

[Effect of device]

 As described above, according to the present invention, since the operation panel is directly fixed to the outside of the front panel of the vending machine, it is easy to install and the operation panel can be firmly fixed. The operation panel and inner lid can be simply connected, and it does not take time to assemble and disassemble. Moreover, it is hard to be damaged. Since the mounting surface of the operation panel is pressed and fixed to the outer surface of the vending machine, there is a waterproof and dustproof effect from the inside of the switch and the mounting section to the inside of the vending machine.

[Brief description of drawings]

FIG. 1 is a plan sectional view of a push button switch device of a vending machine according to an embodiment of the present invention.

2A is a sectional view taken along the line AA of FIG.
FIG. 2B is a sectional view taken along the line BB in FIG.

FIG. 3 is a plan sectional view showing a main part of the push button switch device.

FIG. 4 is a plan sectional view of a push button switch device of a vending machine according to another embodiment of the present invention.

5A is a cross-sectional view taken along the line CC of FIG.
FIG. 6B is a sectional view taken along the line DD of FIG.

FIG. 6 is a plan sectional view showing a main part of a push button switch device of a vending machine according to another embodiment of the present invention.

FIG. 7 is a plan sectional view showing a main part of a push button switch device of a vending machine according to another embodiment of the present invention.

FIG. 8 is a plan sectional view showing a main part of a push button switch device of a vending machine according to another embodiment of the present invention.

FIG. 9 is a plan sectional view showing a main part of a push button switch device of a vending machine according to another embodiment of the present invention.

FIG. 10 is a plan sectional view showing a main part of a push button switch device of a vending machine according to another embodiment of the present invention.

[Explanation of symbols]

 1 Front Panel 1a Switch Mounting Surface 1c Mounting Insert Hole 3 Push Button 4 Operation Panel 4a Recess 4b Abutment Surface 4e Mounting Surface 5 Push Button Hole 6 Mounting Leg 7 Inner Lid 7c Through Hole 9 Display Plate 10 Cover 10c Conductive Contact 11 Cover Presser plate 12 Circuit board 13 Light emitting diode 14 Contact electrode 15 Connector 16 Mounting part O ring 17 Connector part O ring 18 Mounting screw

Claims (1)

[Scope of utility model registration request] 1. A plurality of recesses each having a flat peripheral edge and a substantially arcuate outer surface and having a substantially U-shaped cross-section opening to the mounting surface side are provided, and the recesses penetrate through the outer surface. Has a push button hole on the mounting surface, and a plurality of protruding mounting legs are formed on the mounting surface side, a push button that operates by engaging the push button hole of the operation panel, and a push button on the push button side. A circuit board on which the switch parts are mounted, a flat plate-shaped inner lid that is attached to the operation panel and is locked to the mounting surface side of the operation panel, and the inner lid and the periphery of the concave portion of the operation panel are pinched. The vending machine is provided with a waterproof and elastic cover body for covering the switch parts in a waterproof state, and the push button, the cover body, the circuit board and the inner lid are assembled to the recessed portion of the operation panel to form a single switch. Attach the operation panel to the mounting hole provided on the switch mounting part on the front panel of Insert the mounting leg of the operation panel, press the mounting surface of the operation panel against the outer surface of the switch mounting part of the front panel, and engage the mounting screw from the inside of the front panel to the mounting leg of the operation panel to operate. A push button switch device for a vending machine, wherein a mounting surface of the panel is pressed and fixed to the outside of a front panel of the vending machine.